Home / 21,578,518.14-32,383,705.05-10,218,948.54

Finding the Fourth Proportional to 21,578,518.14, 32,383,705.05 and 10,218,948.54

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Solution

The fourth proportional to 21,578,518.14, 32,383,705.05 and 10,218,948.54 is: 15,335,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,518.14 : 32,383,705.05 = 10,218,948.54 : x
  2. Step 2: Convert to fraction form
    21,578,518.14/32,383,705.05 = 10,218,948.54/x
  3. Step 3: Cross multiply
    21,578,518.14x = 32,383,705.05 × 10,218,948.54
  4. Step 4: Simplify right side
    21,578,518.14x = 330,927,415,440,488.12
  5. Step 5: Solve for x
    x = 330,927,415,440,488.12/21,578,518.14
  6. Step 6: Final answer
    x = 15,335,965.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.